Abdominal exercise mat



FIG. 1 of the drawings is a top perspective view of the abdominal exercise mat showing, in particular, the ornamental design thereof;

FIG. 2 of the drawings is a bottom view thereof;

FIG. 3 of the drawings is a front elevational view thereof;

FIG. 4 of the drawings is a back elevational view thereof;

FIG. 5 of the drawings is a first side elevational view thereof;

FIG. 6 of the drawings is a second side elevational view thereof;

FIG. 7 of the drawings is a top plan view thereof; and,

FIG. 8 of the drawings is a bottom plan view thereof. 

CLAIM The ornamental design for an abdominal exercise mat, as shown and described. 